"JSVConcepts Fine Jewelry Black Diamond Necklace, Black Diamond Solitaire Necklace, Black Diamond Tube Bezel Necklace, Minimalist Necklace, Birthday Anniversary Gift ≫ Product Details ◈ Handmade / Handcrafted Fine Jewelry ◈ Diamond: 100% Natural Diamond ◈ Diamond Size: 3mm (.12 ct.) ◈ Bezel Size: 4.10mm ◈ Metal: Solid 14K Gold (18K gold option available upon request) ◈ Gold Color: White gold, Rose gold, Yellow gold ◈ Chain Length: 14\" ~ 18\" ≫ Please read our FAQ below for more detail."